/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundFrontendDocumentModifyDelegates.h
typedef TMulticastDelegate_TwoParams< void, const int32, const [FMetasoundFrontendClassName](API\Plugins\MetasoundFrontend\FMetasoundFrontendClassName) & > FOnMetaSoundFrontendDocumentRenameClass